Senior .Net Developer

Improvix Technologies•Washington, DC

1d•$160,000 - $180,000•Hybrid

About The Position

Improvix Technologies is seeking a motivated Full Stack Developer with hands-on AI tooling experience to support a fast-paced federal program delivering high-visibility mission outcomes. This role is ideal for a mid-level developer who thrives in collaborative environments and contributes across full stack development, AI-assisted engineering workflows, and operational support activities. You will work alongside senior developers and technical leads to build, maintain, and enhance applications built on Microsoft and modern web technologies — while leveraging AI-powered developer tools to accelerate delivery and improve code quality.

Requirements

Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience)
3–6 years of experience in .NET development (C#, ASP.NET MVC, ASP.NET Core)
Proficiency in React — including hooks, component design, state management, and building responsive UIs
Experience developing server-side applications or APIs with Node.js
Demonstrated use of AI-powered developer tools such as GitHub Copilot, OpenAI Codex, or similar code-generation assistants in a professional setting
Hands-on experience with Microsoft Power Platform — including Power Apps (canvas and/or model-driven), Power Automate, and Power BI
Working knowledge of Microsoft Dataverse — including data modeling, table configuration, relationships, and security roles
Familiarity with Microsoft 365 / Office suite — including SharePoint Online, Teams, Outlook, Excel, Word, and OneDrive — in a collaborative enterprise environment
Experience with MS SQL, Entity Framework, and RESTful API design and consumption
Familiarity with full stack deployment workflows and CI/CD concepts
Experience using Git for source control and collaborative development
Basic understanding of Active Directory and application security concepts
Ability to work onsite in a federal environment (occasional Saturday hours may be required for deployment activities)

Nice To Haves

Familiarity with Dataverse for Teams and Power Apps embedded in Microsoft Teams
Experience integrating LLM/AI APIs (e.g., Azure OpenAI, OpenAI API, Hugging Face) into production applications
Familiarity with AI development platforms and prompt engineering techniques
Experience with GitHub Actions, Azure DevOps, or similar CI/CD pipelines
Familiarity with TypeScript for frontend and/or Node.js development
Familiarity with SharePoint 2013 or newer in a supporting or legacy capacity
Exposure to containerization tools such as Docker or Kubernetes
Knowledge of Azure cloud services and deployments in a federal environment
Understanding of Section 508 accessibility standards

Responsibilities

Design, develop, and maintain full stack applications using .NET (C#/ASP.NET) on the backend and React on the frontend
Build and consume REST APIs and integrate them with React-based user interfaces
Develop scalable Node.js services and middleware to support application workflows
Leverage AI-powered developer tools — including GitHub Copilot, OpenAI Codex, and similar assistants — to accelerate coding, code review, and documentation
Integrate and evaluate LLM-based features and AI APIs (e.g., OpenAI, Azure OpenAI) into application workflows where applicable
Design and build Power Apps (canvas and model-driven) to automate business processes and extend enterprise workflows
Configure and manage Microsoft Dataverse as a data platform — including table design, relationships, business rules, and security roles
Develop Power Automate flows to integrate Power Platform solutions with Microsoft 365, SharePoint, Teams, and external APIs
Support and modernize legacy SharePoint-backed systems as part of ongoing migration and modernization efforts
Perform operational support (O&M), bug fixes, and minor enhancements across the application stack
Assist with deploying code changes and supporting frequent releases in a CI/CD environment
Collaborate closely with technical leads and team members to meet delivery timelines
Troubleshoot, debug, and test applications across frontend and backend layers to ensure stability and performance
Work onsite with the team to support rapid collaboration and delivery